20Cr alloy steel is a medium-carbon low-alloy steel suitable for manufacturing various mechanical parts. Its processing technology is as follows:
1. Cutting processing: When using lathes, milling machines, drilling machines and other machine tools for processing, it is necessary to select appropriate tools and cutting parameters to ensure processing accuracy and surface quality.
2. Hot working: 20Cr alloy steel can be hot worked, including forging, hot rolling, hot extrusion, etc. These processes increase the density and strength of steel and improve its mechanical properties.
3. Welding processing: 20Cr alloy steel can be used in various welding methods such as arc welding, gas shielded welding and laser welding. Preheating and post-processing are required before welding to avoid cracks and deformation.
4. Surface treatment: 20Cr alloy steel can be galvanized, chrome-plated, sprayed and other surface treatment methods to improve its corrosion resistance and aesthetics.
5. Hardening treatment: 20Cr alloy steel can be hardened by heat treatment methods such as quenching and tempering to improve its hardness and wear resistance.
In short, for the processing technology content of 20Cr alloy steel, it is necessary to select the appropriate processing method and processing parameters according to the specific situation, so as to ensure the manufacture of mechanical parts that meet the requirements.
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